DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO Award a ₱4.7M contract to R.J. IBARRA CONST.National agencies

Transaction hash:

704cfbc3ca74d375f1f421f812e033153cdb72e0618c2d3b865cc8cba24a28e8

Status:

Included and unchanged

Block:

#1,791 4,222 blocks after it

Position in block:

Transaction 32 of 72

Award day:

Jul 1, 2013 (13 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

To:

R.J. IBARRA CONST.

Value:

₱4,699,478.15

Project:

13CM0012 - Repair of FCS Sta. Rita River Upstream

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #1,791 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO awarded it to R.J. IBARRA CONST. on 2013-07-01.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 704cfbc3ca…4a28e8now …
2. Block Merkle root changed
stored c540f504c2…f46334now …
3. Block #1791 hash changed
stored 2cd4046953…53bf8bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.

leaf 704cfbc3ca74d375f1f421f812e033153cdb72e0618c2d3b865cc8cba24a28e8
01 R 70999cf3491e007411783f4832b577134eb2ee40e072a132b2234e7d02bd2460
02 R 696af8308abfb1cfb5d83d63533af0705bfa8b83ab0d038582ddb8c1fa3d662d
03 R f1f08735ef96efde42b9afb539927561ccba797a38e8a5f3c3bd74bedd1289d0
04 R c39a27daa2df54b28809f74adaad0a3ac3027a23bd0f75755dc3f34f3fb88ed9
05 R ab4d56e23804248deb9e80436048711f43c51f9a82ca63a4f88ae90e8e7ed7e6
06 L 8bfbcd92eb84e6bde6a085cc6915caad9e61b6a03efb1903b0c0ac515460545e
07 R 19e6bfe36a48fe964359f0b92bf7df20ed1d4b1a0f87c5f96e793fcc9ec5751f
root c540f504c271ca0a4010bff0f3ae54da062d843a08c29a8986aadd8d96f46334